CVE-2026-5136: redhat satellite Incorrect Privilege Assignment
Vulnerability summary
CVE-2026-5136 is a high (CVSS 8.8) Incorrect Privilege Assignment vulnerability in redhat satellite. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 4Timeline
- 01-07-2026PublishedVulnerability first disclosed.
- 02-07-2026Last modifiedVulnerability information updated.
Description
A flaw was found in Foreman. The Usergroup model in Foreman does not properly validate role assignments against the calling user's permissions. This allows an authenticated user with usergroup management permissions to attach arbitrary roles, including administrative roles, to a user group and then add themselves as a member. Successful exploitation of this vulnerability leads to full privilege escalation, granting the attacker administrator-level access.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.56% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat1 product
- satellite≥ 6.16, < 6.16.10 | ≥ 6.17, < 6.17.9 | ≥ 6.18, < 6.18.7 | ≥ 6.19, < 6.19.2
Theforeman1 product
- foreman< 3.18.2 | ≥ 3.19.0, < 3.19.1
2 vendors · 2 products